Configure editable feature services that contain m-enabled layers

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In some cases, you may have feature classes that were created with the m-value enabled. For example, the person who created the feature class checked all the geometry properties just in case they would be needed later. If you later decide that the m-value is not needed, you cannot remove that property from the feature class.

When you include these feature classes in editable feature services, you will not be able to edit feature geometry in clients that do not support editing m-values (such as ArcGIS Online or Portal for ArcGIS). These clients block editing feature geometries that are enabled to store m-values to prevent you from losing your existing m-values. However, the side effect of this is that you are also blocked from editing the geometry of layers even when you are not using the m-values. To allow you to edit the geometries of these layers in clients that do not let you set m-values, you can configure the feature service to insert NaN m-values when feature geometry is edited in such clients.

Caution:

If you enable this property on the feature service, when editors update features in the feature service using a client that does not support specifying an m-value, existing m-values will be replaced with a NaN. Do not enable this functionality if you want to preserve existing m-values.

Enable geometry updates without m-values when publishing

When you publish a feature service from ArcMap, you have the option to configure the feature service to insert NaN m-values when the client does not provide values. This is set on the Feature Access tab of the Service Editor. See Editor permissions for feature services for more information on setting feature service properties when publishing.

Enable geometry updates without m-values on an existing feature service

You can enable this functionality on existing feature services by changing the services' properties in ArcGIS Server Manager.

Open ArcGIS Server Manager and log in as the owner of the feature service or as the ArcGIS Server administrator.